Power System Design/Philosophy

Question 1

Describe your view of the role of an Electrical Engineer.

Answer 1

Reliable system with minimum downtime and clear deliverables

Question 2

What types of voltage levels were applied? Why? What was the total load of the installation?

Answer 2

400V, 6 kV, 11kV 33kV and 66 kV. Economic and technical reasons

Question 3

What is Island mode?

Answer 3

Mode where own generation which is independent to the public system.

Question 4

Explain the difference between island and synchronized power systems with respect to MW & MVAr flows.

Answer 4

Fault level increases, control of p.f. and Hz is difficult.

Question 5

How do you control the overall integrity of the original design?

Answer 5

Procedures in place, quality control, ITP(Inspection Test Plan), Auditing, review, change orders, vendor evaluation, Project implementation plan aggressively challenged to ensure the changes have been reviewed at correct level of Authority.